<template>
    <div>
        <div class="demo-upload-list" v-for="(item,index) in uploadList" :key="index">
            <template v-if="item.status === 'finished'">
                <img :src="item.url" />
                <div class="demo-upload-list-cover">
                    <Icon type="ios-eye-outline" @click.native="handleView(item.url)"></Icon>
                    <Icon type="ios-trash-outline" @click.native="handleRemove(item)"></Icon>
                </div>
            </template>
            <template v-else>
                <Progress v-if="item.showProgress" :percent="item.percentage" hide-info></Progress>
            </template>
        </div>
        <Upload
            ref="upload"
            v-show="isUpload"
            :show-upload-list="false"
            :before-upload="handleBeforeUpload"
            :default-file-list="defaultList"
            :on-success="handleSuccess"
            :format="['jpg','jpeg','png','gif']"
            :max-size="1000"
            :on-format-error="handleFormatError"
            :on-exceeded-size="handleMaxSize"
            type="drag"
            :multiple="multiple"
            :data="data"
            action="http://chainstore.taikangyun365.com/Open/UploadImg"
            style="display: inline-block;width:58px;"
        >
            <div style="width: 58px;height:58px;line-height: 58px;">
                <Icon type="ios-camera" size="20"></Icon>
            </div>
        </Upload>
        <Modal title="查看图片" v-model="visible">
            <img :src="imgView" v-if="visible" style="width: 100%" />
            <div slot="footer"></div>
        </Modal>
    </div>
</template>
<script>
export default {
    name: 'ImgUpload',
    props: ['data', 'check', 'defaultList', 'multiple', 'value'],
    data() {
        return {
            imgView: '',
            imgName: '',
            visible: false,
            isUpload: true,
            uploadList: []
        };
    },
    methods: {
        handleView(url) {
            this.visible = true;
            this.imgView = url;
        },
        handleRemove(file) {
            const fileList = this.$refs.upload.fileList;
            this.$refs.upload.fileList.splice(fileList.indexOf(file), 1);
            this.$emit('delImgList', this.uploadList, this.value);
            if (this.uploadList.length < this.check) {
                this.isUpload = true;
            }
        },
        handleBeforeUpload() {
            const check = this.uploadList.length < this.check;
            if (!check) {
                this.$Notice.warning({
                    title: '上传数量超出限制'
                });
            }
            return check;
        },
        handleSuccess(res, file) {
            file.url = res.data[0].img;
            file.status = 'finished';
            file.name = Math.floor(Math.random() * (100000 - 1)) + 1;
            if (this.uploadList.length == this.check) {
                this.isUpload = false;
            }
            if (this.uploadList.length > 0) {
                this.$emit('setImgLIst', this.uploadList, this.value);
            }
        },
        handleFormatError() {
            this.$Notice.warning({
                title: '图片格式不正确'
            });
        },
        handleMaxSize() {
            this.$Notice.warning({
                title: '文件超出指定大小'
            });
        }
    },
    mounted() {
        this.uploadList = this.$refs.upload.fileList;
        if (this.defaultList && this.defaultList.length == this.check) {
            this.isUpload = false;
        }
    }
};
</script>
<style>
.demo-upload-list {
    display: inline-block;
    width: 60px;
    height: 60px;
    text-align: center;
    line-height: 60px;
    border: 1px solid transparent;
    border-radius: 4px;
    overflow: hidden;
    background: #fff;
    position: relative;
    box-shadow: 0 1px 1px rgba(0, 0, 0, 0.2);
    margin-right: 4px;
}
.demo-upload-list img {
    width: 100%;
    height: 100%;
}
.demo-upload-list-cover {
    display: none;
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.6);
}
.demo-upload-list:hover .demo-upload-list-cover {
    display: block;
}
.demo-upload-list-cover i {
    color: #fff;
    font-size: 20px;
    cursor: pointer;
    margin: 0 2px;
}
</style>